FR2010003A1 - - Google Patents

Info

Publication number
FR2010003A1
FR2010003A1 FR6912649A FR6912649A FR2010003A1 FR 2010003 A1 FR2010003 A1 FR 2010003A1 FR 6912649 A FR6912649 A FR 6912649A FR 6912649 A FR6912649 A FR 6912649A FR 2010003 A1 FR2010003 A1 FR 2010003A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR6912649A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of FR2010003A1 publication Critical patent/FR2010003A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
FR6912649A 1968-06-01 1969-04-22 Withdrawn FR2010003A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681758448 DE1758448A1 (de) 1968-06-01 1968-06-01 Hydraulischer Strebausbau

Publications (1)

Publication Number Publication Date
FR2010003A1 true FR2010003A1 (fr) 1970-02-13

Family

ID=5695039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6912649A Withdrawn FR2010003A1 (fr) 1968-06-01 1969-04-22

Country Status (5)

Country Link
US (1) US3592011A (fr)
BE (1) BE732099A (fr)
DE (1) DE1758448A1 (fr)
FR (1) FR2010003A1 (fr)
GB (1) GB1261118A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744992C2 (de) * 1977-10-06 1989-09-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk für einen Schild- oder Bockausbau u.dgl.
DE2808844C2 (de) * 1978-03-01 1983-04-14 Gosudarstvennyj proektno-konstruktorskij i technologičeskij institut pod"emno-transportnogo mašinostroenija, Novomoskovsk, Tul'skaja oblast' Hilfsausbau zur Sicherung des Streb/Streckenüberganges bei mäßig geneigter Lagerung des Flözes
GB8328281D0 (en) * 1983-10-22 1983-11-23 Dobson Park Ind Mine roof supports
DE3410973C2 (de) * 1984-03-24 1986-06-05 Festo KG, 7300 Esslingen Druckmittelbetätigte schlittenartige Vorschubeinrichtung
DE3544349A1 (de) * 1985-12-14 1987-06-19 Gewerk Eisenhuette Westfalia Hydraulische richtstuetze fuer schreitausbaugestelle
US5584611A (en) * 1994-11-22 1996-12-17 Long-Airdox Roof support for underground excavations
CN102678140B (zh) * 2012-05-30 2014-06-18 山西东华机械有限公司 液压支架回撤机中的旋转装置
US10774642B1 (en) * 2019-05-05 2020-09-15 Liaoning University Hydraulic support unit and hydraulic support for anti-rock burst roadway
CN112963181B (zh) * 2021-02-24 2023-02-14 中国矿业大学 一种超前支架顶梁支撑装置及其使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766537A (en) * 1953-02-25 1957-01-23 Coal Industry Patents Ltd Improvements in mine roof supports
DE1028516B (de) * 1955-07-22 1958-04-24 Arnold Haarmann Dr Ing Wandernder Grubenausbau fuer bergmaennische Gewinnungsbetriebe
DE1169399B (de) * 1956-06-18 1964-05-06 Gewerk Eisenhuette Westfalia Rueckbarer Ausbau fuer bergmaennische Gewinnungsbetriebe
GB874435A (en) * 1956-12-12 1961-08-10 Arnold Haarmann Advancing mine roof support structure for mine working faces
US3120105A (en) * 1959-09-25 1964-02-04 Coal Industry Patents Ltd Self-advancing mine roof supports
US3505823A (en) * 1967-07-19 1970-04-14 Gunter Bell Hydraulic support systems for mine workings

Also Published As

Publication number Publication date
DE1758448A1 (de) 1971-01-28
GB1261118A (en) 1972-01-19
BE732099A (fr) 1969-10-27
US3592011A (en) 1971-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse